Riiid Funding History

Riiid is a South Korean education technology company building AI tutoring and test-preparation products including Santa and R.test.

Company Overview

Tutoring Platforms

Founded 2014 · Seoul, South Korea

Official Website

Riiid Funding Timeline

May 15, 2021
Series D
US$175 million
Led by SoftBank Vision Fund 2.
Source · en.wikipedia.org ↗
Oct 15, 2020
Series C Extension
US$42 million
Led by SBVA.
Source · en.wikipedia.org ↗

Riiid Founding Team

Young-joon Lee
Co-founder of Riiid.
Status: activeReviewed: 2026-11-04
YJ Jang
Co-founder of Riiid.
Status: activeReviewed: 2026-11-05
Jaewe Heo
Co-founder of Riiid.
Status: activeReviewed: 2026-11-05
Minsung Noh
Co-founder of Riiid.
Status: activeReviewed: 2026-11-05

Riiid Products

Santa
Adaptive test preparation software developed by Riiid.
Official Website ↗
Details and Sources
Status: activeReviewed: 2026-11-05
Sources:corp.socra.ai